erebus.py

   1 #!/usr/bin/python
   2
   3 # Erebus IRC bot - Author: John Runyon
   4 # main startup code
   5
   6 import os, sys, select, MySQLdb, MySQLdb.cursors, time, random
   7 import bot, config, ctlmod
   8
   9 class Erebus(object):
  10         APIVERSION = 1
  11         RELEASE = 0
  12
  13         bots = {}
  14         fds = {}
  15         numhandlers = {}
  16         msghandlers = {}
  17         chanhandlers = {}
  18         users = {}
  19         chans = {}
  20
  21         class User(object):
  22                 def __init__(self, nick, auth=None):
  23                         self.nick = nick
  24                         self.auth = auth
  25                         self.checklevel()
  26
  27                         self.chans = []
  28
  29                 def msg(self, *args, **kwargs):
  30                         main.randbot().msg(self, *args, **kwargs)
  31                 def slowmsg(self, *args, **kwargs):
  32                         main.randbot().slowmsg(self, *args, **kwargs)
  33                 def fastmsg(self, *args, **kwargs):
  34                         main.randbot().fastmsg(self, *args, **kwargs)
  35
  36                 def isauthed(self):
  37                         return self.auth is not None
  38
  39                 def authed(self, auth):
  40                         if auth == '0': self.auth = None
  41                         else: self.auth = auth.lower()
  42                         self.checklevel()
  43
  44                 def checklevel(self):
  45                         if self.auth is None:
  46                                 self.glevel = -1
  47                         else:
  48                                 c = main.db.cursor()
  49                                 if c.execute("SELECT level FROM users WHERE auth = %s", (self.auth,)):
  50                                         row = c.fetchone()
  51                                         if row is not None:
  52                                                 self.glevel = row['level']
  53                                         else:
  54                                                 self.glevel = 0
  55                                 else:
  56                                         self.glevel = 0
  57                         return self.glevel
  58
  59                 def join(self, chan):
  60                         if chan not in self.chans: self.chans.append(chan)
  61                 def part(self, chan):
  62                         try:
  63                                 self.chans.remove(chan)
  64                         except: pass
  65                         return len(self.chans) == 0
  66                 def quit(self):
  67                         pass
  68                 def nickchange(self, newnick):
  69                         self.nick = newnick
  70
  71                 def __str__(self): return self.nick
  72                 def __repr__(self): return "<User %r (%d)>" % (self.nick,self.glevel)
  73
  74         class Channel(object):
  75                 def __init__(self, name, bot):
  76                         self.name = name
  77                         self.bot = bot
  78                         self.levels = {}
  79
  80                         self.users = []
  81                         self.voices = []
  82                         self.ops = []
  83
  84                         c = main.db.cursor()
  85                         if c.execute("SELECT user, level FROM chusers WHERE chan = %s", (self.name,)):
  86                                 row = c.fetchone()
  87                                 while row is not None:
  88                                         self.levels[row['user']] = row['level']
  89                                         row = c.fetchone()
  90
  91
  92                 def msg(self, *args, **kwargs):
  93                         self.bot.msg(self, *args, **kwargs)
  94                 def slowmsg(self, *args, **kwargs):
  95                         self.bot.slowmsg(self, *args, **kwargs)
  96                 def fastmsg(self, *args, **kwargs):
  97                         self.bot.fastmsg(self, *args, **kwargs)
  98
  99                 def levelof(self, auth):
 100                         if auth is None:
 101                                 return 0
 102                         auth = auth.lower()
 103                         if auth in self.levels:
 104                                 return self.levels[auth]
 105                         else:
 106                                 return 0
 107
 108                 def setlevel(self, auth, level, savetodb=True):
 109                         auth = auth.lower()
 110                         if savetodb:
 111                                 c = main.db.cursor()
 112                                 if c.execute("REPLACE INTO chusers (chan, user, level) VALUES (%s, %s, %s)", (self.name, auth, level)):
 113                                         self.levels[auth] = level
 114                                         return True
 115                                 else:
 116                                         return False
 117
 118                 def userjoin(self, user, level=None):
 119                         if user not in self.users: self.users.append(user)
 120                         if level == 'op' and user not in self.ops: self.ops.append(user)
 121                         if level == 'voice' and user not in self.voices: self.voices.append(user)
 122                 def userpart(self, user):
 123                         if user in self.ops: self.ops.remove(user)
 124                         if user in self.voices: self.voices.remove(user)
 125                         if user in self.users: self.users.remove(user)
 126
 127                 def userop(self, user):
 128                         if user in self.users and user not in self.ops: self.ops.append(user)
 129                 def uservoice(self, user):
 130                         if user in self.users and user not in self.voices: self.voices.append(user)
 131                 def userdeop(self, user):
 132                         if user in self.ops: self.ops.remove(user)
 133                 def userdevoice(self, user):
 134                         if user in self.voices: self.voices.remove(user)
 135
 136                 def __str__(self): return self.name
 137                 def __repr__(self): return "<Channel %r>" % (self.name)
 138
 139         def __init__(self, cfg):
 140                 self.cfg = cfg
 141                 self.trigger = cfg.trigger
 142                 if os.name == "posix":
 143                         self.potype = "poll"
 144                         self.po = select.poll()
 145                 else: # f.e. os.name == "nt" (Windows)
 146                         self.potype = "select"
 147                         self.fdlist = []
 148
 149         def newbot(self, nick, user, bind, authname, authpass, server, port, realname):
 150                 if bind is None: bind = ''
 151                 obj = bot.Bot(self, nick, user, bind, authname, authpass, server, port, realname)
 152                 self.bots[nick.lower()] = obj
 153
 154         def newfd(self, obj, fileno):
 155                 self.fds[fileno] = obj
 156                 if self.potype == "poll":
 157                         self.po.register(fileno, select.POLLIN)
 158                 elif self.potype == "select":
 159                         self.fdlist.append(fileno)
 160
 161         def bot(self, name): #get Bot() by name (nick)
 162                 return self.bots[name.lower()]
 163         def fd(self, fileno): #get Bot() by fd/fileno
 164                 return self.fds[fileno]
 165         def randbot(self): #get Bot() randomly
 166                 return self.bots[random.choice(self.bots.keys())]
 167
 168         def user(self, _nick, justjoined=False, create=True):
 169                 nick = _nick.lower()
 170                 if nick in self.users:
 171                         return self.users[nick]
 172                 elif create:
 173                         user = self.User(_nick)
 174                         self.users[nick] = user
 175
 176                         if justjoined:
 177                                 self.randbot().conn.send("WHO %s n%%ant,1" % (nick))
 178
 179                         return user
 180                 else:
 181                         return None
 182         def channel(self, name): #get Channel() by name
 183                 if name.lower() in self.chans:
 184                         return self.chans[name.lower()]
 185                 else:
 186                         return None
 187
 188         def newchannel(self, bot, name):
 189                 chan = self.Channel(name.lower(), bot)
 190                 self.chans[name.lower()] = chan
 191                 return chan
 192
 193         def poll(self):
 194                 if self.potype == "poll":
 195                         return [fd for (fd, ev) in self.po.poll()]
 196                 elif self.potype == "select":
 197                         return select.select(self.fdlist, [], [])[0]
 198
 199         def connectall(self):
 200                 for bot in self.bots.itervalues():
 201                         if bot.conn.state == 0:
 202                                 bot.connect()
 203
 204         def module(self, name):
 205                 return ctlmod.modules[name]
 206
 207         #bind functions
 208         def hook(self, word, handler):
 209                 try:
 210                         self.msghandlers[word].append(handler)
 211                 except:
 212                         self.msghandlers[word] = [handler]
 213         def unhook(self, word, handler):
 214                 if word in self.msghandlers and handler in self.msghandlers[word]:
 215                         self.msghandlers[word].remove(handler)
 216         def hashook(self, word):
 217                 return word in self.msghandlers and len(self.msghandlers[word]) != 0
 218         def gethook(self, word):
 219                 return self.msghandlers[word]
 220
 221         def hooknum(self, word, handler):
 222                 try:
 223                         self.numhandlers[word].append(handler)
 224                 except:
 225                         self.numhandlers[word] = [handler]
 226         def unhooknum(self, word, handler):
 227                 if word in self.numhandlers and handler in self.numhandlers[word]:
 228                         self.numhandlers[word].remove(handler)
 229         def hasnumhook(self, word):
 230                 return word in self.numhandlers and len(self.numhandlers[word]) != 0
 231         def getnumhook(self, word):
 232                 return self.numhandlers[word]
 233
 234         def hookchan(self, chan, handler):
 235                 try:
 236                         self.chanhandlers[chan].append(handler)
 237                 except:
 238                         self.chanhandlers[chan] = [handler]
 239         def unhookchan(self, chan, handler):
 240                 if chan in self.chanhandlers and handler in self.chanhandlers[chan]:
 241                         self.chanhandlers[chan].remove(handler)
 242         def haschanhook(self, chan):
 243                 return chan in self.chanhandlers and len(self.chanhandlers[chan]) != 0
 244         def getchanhook(self, chan):
 245                 return self.chanhandlers[chan]
 246
 247
 248 class MyCursor(MySQLdb.cursors.DictCursor):
 249         def execute(self, *args, **kwargs):
 250                 print "%09.3f [SQL] [#] MyCursor.execute(self, %s, %s)" % (time.time() % 100000, ', '.join([repr(i) for i in args]), ', '.join([str(key)+"="+repr(kwargs[key]) for key in kwargs]))
 251                 try:
 252                         super(self.__class__, self).execute(*args, **kwargs)
 253                 except MySQLdb.MySQLError as e:
 254                         print "%09.3f [SQL] [!] MySQL error! %r" % (time.time() % 100000, e)
 255                         dbsetup()
 256                         return False
 257                 return True
 258
 259
 260 def dbsetup():
 261         main.db = None
 262         main.db = MySQLdb.connect(host=cfg.dbhost, user=cfg.dbuser, passwd=cfg.dbpass, db=cfg.dbname, cursorclass=MyCursor)
 263
 264 def setup():
 265         global cfg, main
 266
 267         cfg = config.Config('bot.config')
 268
 269         pidfile = open(cfg.pidfile, 'w')
 270         pidfile.write(str(os.getpid()))
 271         pidfile.close()
 272
 273         main = Erebus(cfg)
 274
 275         autoloads = [mod for mod, yes in cfg.items('autoloads') if int(yes) == 1]
 276         for mod in autoloads:
 277                 ctlmod.load(main, mod)
 278
 279         dbsetup()
 280         c = main.db.cursor()
 281         if c.execute("SELECT nick, user, bind, authname, authpass FROM bots WHERE active = 1"):
 282                 rows = c.fetchall()
 283                 c.close()
 284                 for row in rows:
 285                         main.newbot(row['nick'], row['user'], row['bind'], row['authname'], row['authpass'], cfg.host, cfg.port, cfg.realname)
 286         main.connectall()
 287
 288 def loop():
 289         poready = main.poll()
 290         for fileno in poready:
 291                 for line in main.fd(fileno).getdata():
 292                         main.fd(fileno).parse(line)
 293
 294 if __name__ == '__main__':
 295         try: os.rename('logfile', 'oldlogs/%s' % (time.time()))
 296         except: pass
 297         sys.stdout = open('logfile', 'w', 1)
 298         sys.stderr = sys.stdout
 299         setup()
 300         while True: loop()